Checklists for software errors, setup, and tool workflows.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

How to Validate Nginx Configuration Before Reload

Reloading nginx with a broken configuration can take your site down. The safe way is to test the ...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

If you see ! [rejected] main -> main (non-fast-forward) when running

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Fix Git Clone Timeout in VS Code: Practical Steps

You're trying to clone a repository in VS Code, but the operation times out. This often happe...

How to Fix Windows 11 Blue Screen After Update

If you're seeing a blue screen (BSOD) right after installing a Windows 11 update, you're ...